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`  1 ml   =   ....   l   =   .... dm^3  `

Fill in the blanks. 10ml= ……..l

How many electrons in a given atom can have the following quantum numbers ? (a) n = 3, l = 1 (b) n = 3, l = 2, m_l = 0 (c ) n = 3, l = 2, m_l = +2, m_s = + 1/2 (d) n = 3 .

Calculate the total pressure in a mixture og 8 g of oxygen and 4 g hydrogen confined in a vessel of 1 dm^(3) at 27^(@)C . (R = 0.083 "bar" dm^(3) K^(-1) mol^(-1))

The value of 1 dm^3 bar is ………..

A 0dm^(3) flask contains gas A and 1 dm^(3) flask contains gas B at the same temperature. If density of A = 3.0 g dm^(-3) and that of B = 1.5 g dm^(-3) and the molar mass of A = (1)/(2) of B, then the ratio of presuure exerted by gases is

Explain given reasons, which of the following sets of quantum numbers are not possible. {:((a) n = 0 ",", l = 0",", m_l=0",", m_s = + 1//2),((b) n = 1 ",", l = 0",", m_l=0",", m_s = - 1//2),((c) n = 1 ",", l = 1",", m_l=-0",", m_s = + 1//2),((d) n = 2 ",", l = 1",", m_l=0",", m_s = - 1//2),((e) n = 3 ",", l = 3",", m_l=-3",", m_s = + 1//2),((f) n = 3 ",", l = 2",", m_l=0",", m_s = + 1//2):}

The work done during the expanision of a gas from a volume of 4 dm^(3) to 6 dm^(3) against a constant external pressure of 3 atm is (1 L atm = 101.32 J)

What is the maximum number of orbitals that can be identified with the following quantum numbers ? n = 3, l = 1, m_l = 0 .